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Greenhouse Gases
Contributed by: Christie
  • 1. What is the primary source of methane emissions?
A) Transportation
B) Deforestation
C) Agriculture
D) Industrial processes
  • 2. Which greenhouse gas is known for its strong heat-trapping ability?
A) Chlorofluorocarbons
B) Nitrous oxide
C) Carbon dioxide
D) Methane
  • 3. In what way do greenhouse gases contribute to global warming?
A) By causing the ozone layer to thicken
B) By trapping heat in the atmosphere
C) By reflecting sunlight away from Earth
D) By reducing the Earth's magnetic field
  • 4. What is the greenhouse effect?
A) The process of plants absorbing carbon dioxide
B) The cooling effect caused by green rooftops
C) The formation of clouds in the sky
D) The process by which greenhouse gases trap heat in Earth's atmosphere
  • 5. Which human activity has led to an increase in atmospheric carbon dioxide levels?
A) Burning of fossil fuels
B) Building wind turbines
C) Recycling
D) Reducing meat consumption
  • 6. What is the main consequence of elevated levels of greenhouse gases in the atmosphere?
A) Increased ozone depletion
B) Cooling of the Earth's surface
C) Global warming
D) Higher levels of oxygen
  • 7. What role does water vapor play in the greenhouse effect?
A) It creates a cooling effect in the upper atmosphere
B) It prevents the penetration of harmful UV rays
C) It absorbs excess heat from the atmosphere
D) It amplifies the warming effect of other greenhouse gases
  • 8. Which greenhouse gas is most responsible for the ozone hole over Antarctica?
A) Methane
B) Chlorofluorocarbons
C) Nitrogen oxide
D) Carbon dioxide
  • 9. What is one natural source of methane emissions?
A) Industrial processes
B) Burning fossil fuels
C) Wetlands
D) Agricultural practices
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